-up c-- ccc cce ccn ccp ccs ccu ce- cec cee cen cep ces ceu cn- cnc cne cnn cnp cns cnu cpc cpe cpn cpp cps cpu csc cse csn csp css csu cuc cue cun cup cus cuu ec- ecc ece ecn ecs ecu eec eee een eep ees en- enc ene enn enp ens enu ep- epc epe epn epp eps epu es- esc ese esn esp ess esu eu- euc eue eun eup eus ncc nce ncn ncp ncs ncu ne- nec nee nen nep nes neu nnc nne nnn nnp nns nnu npc npe npn npp nps npu nsc nse nsn nsp nss nsu nuc nue nun nup nus nuu p-p pcc pce pcn pcp pcs pcu pec pee pen pep pes peu pn- pnc pne pnn pnp pns pnu ppc ppe ppn ppp pps ppu ps- psc pse psn psp pss psu puc pue pun pup pus puu scc sce scn scp scs scu se- sec see sen sep ses seu snc sne snn snp sns snu spc spe spn spp sps spu ss- ssc sse ssn ssp sss ssu suc sue sun sup sus suu ucc uce ucn ucp ucs ucu uec uee uen uep ues un- unc une unn unp uns unu up- upc upe upn upp ups upu usc use usn usp uss usu uuc uue uun uus uuu